What is Tthematt.xyz?

Tthematt.xyz is a dubious domain that might start opening on your browser by itself if you have adware installed. Adware might get installed on your PC together with some free program or pirated content. Tthematt.xyz tries to trick users into clicking the “Allow” button on the “Show notifications” confirmation request (see the screenshot). Once agreed, Tthematt.xyz notifications will start popping up in the lower right-hand corner of the screen occasionally and advertise various questionable websites. This step-by-step guide will help you remove Tthematt.xyz pop-ups and notifications from your browser.

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Step 1: Remove Tthematt.xyz pop-up from browsers

Uninstall Tthematt.xyz from Google Chrome:

  1. Open Google Chrome
  2. Push Alt + F.
  3. Click Tools.
  4. Choose Extensions.
  5. Find suspicious and unfamiliar extensions.
  6. Click the trash can icon to remove them.
  7. Push Alt + F.
  8. Select Settings.
  9. Type notifications into the search bar.
  10. Select Content settings.
  11. Select Notifications.
  12. Find Tthematt.xyz in the Allow list.
  13. Click on three dots next to Tthematt.xyz and select Remove.

Learn more about removing extensions from Chrome.

Remove Tthematt.xyz from Mozilla Firefox:

  1. Open Firefox.
  2. Push Shift + Ctrl + A.
  3. Choose Tthematt.xyz.
  4. Click Disable or Remove button.

Learn more about removing extensions from Firefox.

Remove Tthematt.xyz from Microsoft Edge:

  1. Press Settings and more button
  2. Choose and Click on Extensions
  3. Find Tthematt.xyz extension and click settings
  4. Press Uninstall button
  5. Start Edge again

Learn more about removing extensions from Edge.

Remove Tthematt.xyz from Internet Explorer:

  1. Open IE.
  2. Push Alt + T.
  3. Click Manage Add-ons.
  4. Select Toolbars and Extensions.
  5. Click Disable Tthematt.xyz.
  6. Click More information link in the left-bottom corner.
  7. Click Remove button.
  8. If this button is grayed out – perform alternative steps.

Learn more about removing extensions from IE.

Remove Tthematt.xyz from Opera:

  1. Launch Opera and select Settings.
  2. Scroll down to the Privacy and security section and click Site Settings
  3. Go to Notifications to see the sites whose notification permissions you’ve already allowed or denied.
  4. Find Tthematt.xyz and block it

Learn more about removing extensions from IE.

Remove Tthematt.xyz pop-up from Chrome on Android:

  1. Open the Chrome app.
  2. To the right of the address bar, tap More.
  3. Choose and open Settings
  4. Tap Site settings and then find Tthematt.xyz.
  5. Turn of Tthematt.xyz pop-up from Allowed to Block.

Learn more about removing viruses from Android.


If you still got that problem, most likely there is a rogue application that causes Tthematt.xyz pop-ups and redirects installed on your system. To finally get rid of Tthematt.xyz adware, you should remove all recent suspicious programs that you are sure you didn’t install.

Step 2: Remove Tthematt.xyz pop-up from system

Windows XP:

  1. Click Start.
  2. Control Panel.
  3. Then click Add or Remove Programs.
  4. Find the app.
  5. Click Uninstall.

Learn more about uninstallation of programs in Windows XP.

Windows 7/Windows Vista:

  1. Click Start.
  2. Then Control Panel.
  3. Click Uninstall a Program.
  4. Find the app and click Uninstall.

Learn more about uninstallation of programs in Windows 7.

Windows 8/Windows 8.1:

  1. Open the Menu.
  2. Click Search.
  3. After that click Apps.
  4. Then Control Panel.
  5. Then as in Windows 7, click Uninstall a Program under Programs.
  6. Find the app, select it and click Uninstall.

Learn more about uninstallation of programs in Windows 8 (8.1).

Windows 10:

  1. Click on the Start button (or press the Windows key) to open the Start menu, click on the Settings at the top.
  2. Click on Apps & features on the left menu.
  3. On the right side, locate the app and click it, then click on the Uninstall button.
  4. Click on Uninstall to confirm.

Learn more about uninstallation of programs in Windows 10

Note: If you can’t find required program, sort programs by date in Control panel and search for last installed programs.

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